/*
 * Copyright (C) 2017-2019 Dremio Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
<@pp.dropOutputFile />




<@pp.changeOutputFile name="/com/dremio/exec/expr/fn/impl/gaggr/SumZeroFunctions.java" />

<#include "/@includes/license.ftl" />

/* 
 * This class is automatically generated from SumZero.tdd using FreeMarker.
 */

package com.dremio.exec.expr.fn.impl.gaggr;

import com.dremio.exec.expr.AggrFunction;
import com.dremio.exec.expr.annotations.FunctionTemplate;
import com.dremio.exec.expr.annotations.FunctionTemplate.FunctionScope;
import com.dremio.exec.expr.annotations.Output;
import com.dremio.exec.expr.annotations.Param;
import com.dremio.exec.expr.annotations.Workspace;
import org.apache.arrow.vector.holders.*;

@SuppressWarnings("unused")

public class SumZeroFunctions {
	static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(SumZeroFunctions.class);

	<#list sumzero.types as type>

	@FunctionTemplate(name = "$sum0", scope = FunctionTemplate.FunctionScope.POINT_AGGREGATE)
	public static class ${type.inputType}SumZero implements AggrFunction{

  @Param ${type.inputType}Holder in;
  @Workspace ${type.runningType}Holder value;
  @Output ${type.outputType}Holder out;
  
  
  public void setup() {
    value.value = 0;
    value.isSet = 1;
  }
  
  @Override
  public void add() {
    value.value += in.value;
  }

  @Override
  public void output() {
    out.value = value.value;
    out.isSet = 1;
  }

  @Override
  public void reset() {
	  value.value = 0;
  }
 
 }

</#list>
}

